Bed Bath and Beyond earnings

Bed Bath & Beyond peeled back the curtain on Wednesday, but then the shower rod fell down. The home goods retailer posted disappointing quarterly results for its fiscal second quarter, despite net sales that climbed by a better than expected 12%.

Here are a few things that will shape the week ahead on Wall Street: Microsoft will show off Windows 8 tablets; Tesla's hot Model S will reach buyers; Cricket gets the iPhone; Barnes & Noble opens its books; and Bed Bath & Beyond turns back the covers on earnings.